55104551145 has 144 divisors (see below), whose sum is σ = 117246310272. Its totient is φ = 23371960320.

The previous prime is 55104551143. The next prime is 55104551147. The reversal of 55104551145 is 54115540155.

55104551145 is a `hidden beast` number, since 55 + 10 + 4 + 551 + 1 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (55104551143) and next prime (55104551147).

It is not a de Polignac number, because 55104551145 - 2¹ = 55104551143 is a prime.

It is a super-2 number, since 2×55104551145² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55104551143) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 28535830 + ... + 28537760.

It is an arithmetic number, because the mean of its divisors is an integer number (814210488).

Almost surely, 2^55104551145 is an apocalyptic number.

It is an amenable number.

55104551145 is an abundant number, since it is smaller than the sum of its proper divisors (62141759127).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55104551145 is a wasteful number, since it uses less digits than its factorization.

55104551145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 55104551145 in words is "fifty-five billion, one hundred four million, five hundred fifty-one thousand, one hundred forty-five".